Andrew Victor <avictor.za@xxxxxxxxx> wrote:
> > +static struct mci_platform_data __initdata mci0_data = {
> > + .slot[0] = {
> > + .bus_width = 4,
> > + .detect_pin = AT91_PIN_PD10,
> > + .wp_pin = -1,
> > + },
>
> Causes at91_set_gpio_input() to be called for pin -1. Which shouldn't be valid.
> AT91 platforms use 0 to indicate an un-connected GPIO pin, so the
> assignment of "wp_pin" should probably just be removed.
The mci driver expects non-existent pins to have a negative value, as
do all other drivers which use gpio_is_valid().
Haavard
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